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From: Laurenz Albe <laurenz.albe@cybertec.at>
To: Avinash Kumar <avinash.vallarapu@gmail.com>
To: Rory Campbell-Lange <rory@campbell-lange.net>
Cc: David G. Johnston <david.g.johnston@gmail.com>
Cc: samhitha g <samhithagarudadri@gmail.com>
Cc: pgsql-performance@lists.postgresql.org
Subject: Re: pg_attribute, pg_class, pg_depend grow huge in count and size with multiple tenants.
Date: Fri, 08 May 2020 08:31:14 +0200
Message-ID: <17c5b15451fac2ace7a815d1d2c8f86e1d232802.camel@cybertec.at> (raw)
In-Reply-To: <CAN0TujfLZ22xm0u99B+jsB31R55fQ5OJ2PKgcmr0TZHUPwoTUw@mail.gmail.com>
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	<20200507210846.GA17040@campbell-lange.net>
	<CAN0TujfLZ22xm0u99B+jsB31R55fQ5OJ2PKgcmr0TZHUPwoTUw@mail.gmail.com>

On Thu, 2020-05-07 at 18:17 -0300, Avinash Kumar wrote:
> > The nice thing about separate databases is that it is easy to scale
> > horizontally.
> 
> Agreed. But, how about autovacuum ? Workers shift from DB to DB and 500 clusters
> means you may have to have a lot of manual vacuuming in place as well.

Just set "autovacuum_max_workers" higher.

Yours,
Laurenz Albe
-- 
Cybertec | https://www.cybertec-postgresql.com






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